/* bzflag
 * Copyright (c) 1993-2020 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#include "common.h"
#include "version.h"

/* system headers */
#include <sstream>
#include <string>
#include <stdio.h>
#include <string.h>


// opaque version number increments on protocol incompatibility
// update the following files (and their protocol implementations) to match:
//  misc/bzfquery.php
//  misc/bzfquery.pl
//  misc/bzfquery.py
//  misc/bzls.lua
#ifndef BZ_PROTO_VERSION
#  define BZ_PROTO_VERSION  "0225"
#endif

// version numbers - also update as needed:
//  ChangeLog
//  MSVC/Version.rc
//  README
//  configure.ac
//  include/version.h
//  package/win32/nsis/BZFlag.nsi
//  premake5.lua
#ifndef BZ_MAJOR_VERSION
#  define BZ_MAJOR_VERSION  2
#endif

#ifndef BZ_MINOR_VERSION
#  define BZ_MINOR_VERSION  5
#endif

#ifndef BZ_REV
#  define BZ_REV        3
#endif

// DEVEL | RC# | STABLE | MAINT
#ifndef BZ_BUILD_TYPE
#  define BZ_BUILD_TYPE     "DEVEL"
#endif

const char *bzfcopyright = "Copyright (c) 1993-2020 Tim Riker";

static int getBuildDate()
{
    int year = 1900, month = 0, day = 0;
#ifdef BUILD_DATE
    // the BUILD_DATE define looks like "YYYY-MM-DD"
    sscanf(BUILD_DATE, "%d-%d-%d", &year, &month, &day);
#else
    char monthStr[512];
    // the __DATE__ macro looks like "Jun 15 2013" (*with* the quotes)
    sscanf(__DATE__, "%s %d %d", monthStr, &day, &year);

    // we want it not as a name but a number
    if (strcmp(monthStr, "Jan") == 0)
        month = 1;
    else if (strcmp(monthStr, "Feb") == 0)
        month = 2;
    else if (strcmp(monthStr, "Mar") == 0)
        month = 3;
    else if (strcmp(monthStr, "Apr") == 0)
        month = 4;
    else if (strcmp(monthStr, "May") == 0)
        month = 5;
    else if (strcmp(monthStr, "Jun") == 0)
        month = 6;
    else if (strcmp(monthStr, "Jul") == 0)
        month = 7;
    else if (strcmp(monthStr, "Aug") == 0)
        month = 8;
    else if (strcmp(monthStr, "Sep") == 0)
        month = 9;
    else if (strcmp(monthStr, "Oct") == 0)
        month = 10;
    else if (strcmp(monthStr, "Nov") == 0)
        month = 11;
    else if (strcmp(monthStr, "Dec") == 0)
        month = 12;
#endif

    return (year*10000) + (month*100) + day;
}

const char*     getProtocolVersion()
{
    static std::string protVersion = BZ_PROTO_VERSION;
    return protVersion.c_str();
}

const char*     getServerVersion()
{
    static std::string serverVersion = std::string("BZFS") + getProtocolVersion();
    return serverVersion.c_str();
}

const char*     getMajorMinorVersion()
{
    static std::string    version = "";
    if (!version.size())
    {
        std::ostringstream  versionStream;
        versionStream << BZ_MAJOR_VERSION << "." << BZ_MINOR_VERSION;
        version = versionStream.str();
    }
    return version.c_str();
}

const char*     getMajorMinorRevVersion()
{
    static std::string    version = "";
    if (!version.size())
    {
        std::ostringstream  versionStream;
        versionStream << BZ_MAJOR_VERSION << "." << BZ_MINOR_VERSION << "." << BZ_REV;
        version = versionStream.str();
    }
    return version.c_str();
}

const char*     getAppVersion()
{
    static std::string    appVersion = "";
    if (!appVersion.size())
    {
        std::ostringstream  appVersionStream;
        // TODO add current platform, release, cpu, etc
        appVersionStream << getMajorMinorRevVersion() << "." << getBuildDate()
                         << "-" << BZ_BUILD_TYPE << "-" << BZ_BUILD_OS;
#ifdef HAVE_SDL
        appVersionStream << "-SDL";
#ifdef HAVE_SDL2
        appVersionStream << "2";
#endif
#endif
        appVersion = appVersionStream.str();
    }
    return appVersion.c_str();
}

// Local Variables: ***
// mode: C++ ***
// tab-width: 4 ***
// c-basic-offset: 4 ***
// indent-tabs-mode: nil ***
// End: ***
// ex: shiftwidth=4 tabstop=4
